UNIX computer operating system gave rise to a variant, called Linux. It is a free OS that is very popular in the countries of Europe including the United Kingdom. The salaries of a Linux professional is good and competitive and there are many job opportunities; especially with large scale and international businesses.
A Linux professional usually performs many of the following tasks:
•  Performing software performance tuning
• Integrating software with existing systems
•  Designing new systems
• Analysing technological system problems
• Preparing documentation
• Managing and working with teams
• Carrying out security audits
• Maintaining servers

• Project management and problem solving
• Communication and presentation
• Innovation and creative thinking
• Teamwork and decision making
• Customer relations and networking
• Being analytical and proactive
• Ability to learn new technologies quickly
• Being professional and confident
• Documentation and information sharing
• Troubleshooting and mentorship
• Being process oriented

Linux may be a component within a larger area of study; especially in Information Technology or Computer Science related courses. Many Colleges and Universities now have Computer Studies departments that will allow interested students to cover this course.
Linux is taught at all levels and will vary in depth, depending on the certification. Graduates may have Masters Degrees, Bachelors or Associate degrees and even Diplomas. They may also attain industry certifications like that of:
•    LPI
•    RedHat
•    SuSe